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27421 Nathanhan (2000 EK164)
Classification: Main-belt Asteroid          SPK-ID: 2027421
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453664937656431 6.989e-08  
a 2.739275383017318 2.789e-08 AU
q 2.341076525129552 1.9173e-07 AU
i 5.635404710181722 7.5574e-06 deg
node 182.0816482983523 5.5392e-05 deg
peri 181.648988003479 5.8476e-05 deg
M 211.5196571337403 2.0071e-05 deg
tp 2457483.496423983435
(2016-Apr-04.99642398)
9.5678e-05 JED
period 1655.968109229828
4.53
2.5291e-05
6.924e-08
d
yr
n .2173954908874616 3.3202e-09 deg/d
Q 3.137474240905085 3.1945e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      10845 days (29.69 yr)  
   first obs. used      1984-10-20  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56035  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:57:07  

Additional Information
 Earth MOID = 1.3374 AU 
 T_jup = 3.328 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO263582  

27421 Nathanhan           Discovered 2000 Mar. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Nathan Han (b. 1999) is a finalist in the 2011 Broadcom MASTERS, a math and science competition for middle-school students, for his biochemistry, medicine, health science and microbiology project. He attends the Jackson Mann K-8 School, Allston, Massachusetts.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2000 EK164 = 1984 UX4 = 1996 GA2 = 2000 GT175 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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